公开(公告)号：US20090288748A1

公开(公告)日：2009-11-26

申请号：US12461146

申请日：2009-08-03

申请人： Seok-Jong Han ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

发明人： Seok-Jong Han ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

IPC分类号： B60C9/00

CPC分类号： D01F2/00 ,  B60C9/0042 ,  D02G3/48

摘要： The present invention provides a lyocell raw cord prepared from at least 2-ply lyocell multifilaments, which gives a stress-strain curve exhibiting that (a) the lyocell raw cord has an elongation of 1.5% or less at an initial stress of 1.0 g/d, and an initial modulus value of 50 to 100 g/d; (b) has an elongation of 7% or less in a stress region of 1.0 g/d to 4.0 g/d; and (c) has an elongation of 1% or more at a tensile strength of 4.0 g/d to the breaking point, as measured in the dried state.The lyocell raw cord prepared according to the present invention can be used as industrial fibers, in particular, fibers for tire cords.

摘要翻译： 本发明提供由至少2层莱赛尔复丝制备的莱赛克原生绳，其给出应力 - 应变曲线，其显示（a）在初始应力为1.0g / L时，莱赛克原丝具有1.5％或更小的伸长率， d，初始模量值为50〜100g / d; （b）在1.0g / d〜4.0g / d的应力区域的伸长率为7％以下; 和（c）在干燥状态下测定的断裂点的拉伸强度为4.0g / d时的伸长率为1％以上。 根据本发明制备的lyocell生铁线可用作工业纤维，特别是用于轮胎帘线的纤维。

公开(公告)号：US07732048B2

公开(公告)日：2010-06-08

申请号：US11886298

申请日：2005-09-23

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Tae-Jung Lee ,  Jae-Shik Choi

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Tae-Jung Lee ,  Jae-Shik Choi

IPC分类号： B32B23/00

CPC分类号： D01F2/00 ,  Y10T428/2938 ,  Y10T428/2965

摘要： The present invention relates to cellulose fiber containing 500 to 2000 of filaments and having homogeneous physical properties and the multi-filaments according to the present invention is characterized in that the strength and the breaking elongation of the multi-filaments are 4 to 9 g/d and 4 to 15%, respectively. In particular, the present invention is characterized in that each mono-filament selected 100 strands from every three part divided from multi-filaments has properties as following: (a) 3 to 9 g/d in average strength, 7 to 15% in average breaking elongation and 0.035 to 0.055 in by birefringence, (b) the differences of the above three parts are below 1.0 g/d in average strength, 1.5% in breaking elongation and 0.7 denier in denier, (c) the CV (%) (coefficient of variation) of the above three parts are below 10%, and (d) the birefringence differences of the above three parts are below 0.004.

摘要翻译： 本发明涉及含有500〜2000根长丝并具有均匀物理性质的纤维素纤维，本发明的多丝纤维的特征在于，多丝的强度和断裂伸长率为4〜9g / d 和4〜15％。 特别地，本发明的特征在于，从每隔三部分分离多丝的100根线条中，每根单丝的特性如下：（a）平均强度为3〜9g / d，平均强度为7〜15％ （b）上述三个部分的差别在平均强度低于1.0g / d，断裂伸长率为1.5％，旦尼尔为0.7旦尼尔，（c）CV（％）（ 上述三个部分的变异系数都在10％以下，（d）上述三个部分的双折射差小于0.004。

公开(公告)号：US20090270539A1

公开(公告)日：2009-10-29

申请号：US12458155

申请日：2009-07-01

申请人： Hong-Un Kim ,  Yun-Hyuk Bang ,  Soo-Myung Choi

发明人： Hong-Un Kim ,  Yun-Hyuk Bang ,  Soo-Myung Choi

IPC分类号： C08K5/544 ,  C08K5/5419 ,  D01D5/098

CPC分类号： C08J5/005 ,  B82Y30/00 ,  C08J2367/02 ,  C08K5/549 ,  C08K2201/011 ,  C08L67/02

摘要： The present invention relates to a polyethylene terephthalate nanocomposite fiber with enhanced modulus, and specifically to a technique for preparing a PET nanocomposite fiber with excellent initial and high-temperature modulus, which comprises adding 1 to 4% by weight of a compound selected from the group consisting of C56H122O12Si7, C31H71NO12Si8n, C59H127NO12Si8, and C33H76N2O12Si8, each of which is an organic/inorganic hybrid nanocompound, based on the total weight of the polymers, to prepare a polyethylene terephthalate nanocomposite chip having 85 mol % or more of the ethylene terephthalate units and an intrinsic viscosity in the range of 0.50 to 1.20, and then melt-spinning and stretching the composite chip.

摘要翻译： 本发明涉及具有增强模量的聚对苯二甲酸乙二醇酯纳米复合纤维，具体涉及一种制备具有优异的初始和高温模量的PET纳米复合纤维的技术，其包括加入1至4重量％的选自 由基于聚合物总重量的有机/无机混合纳米复合材料的C56H122O12Si7，C31H71NO12Si8n，C59H127NO12Si8和C33H127NO12Si8和C33H76N2O12Si8组成，制备具有85摩尔％以上的对苯二甲酸乙二醇酯单元的聚对苯二甲酸乙二醇酯纳米复合材料芯片，以及 特性粘度在0.50〜1.20的范围内，然后熔融纺丝和拉伸复合材料芯片。

公开(公告)号：US20080054516A1

公开(公告)日：2008-03-06

申请号：US10565098

申请日：2005-12-30

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

IPC分类号： D01F1/10

CPC分类号： D01F2/00 ,  D01D1/02

摘要： The present invention relates to a method for producing a cellulose solution which is homogeneous at low temperatures, and to fiber produced by the method. More particularly, the invention relates to a production of a cellulose solution which is homogeneous at low temperatures, by dissolving a small amount of the cellulose powder in concentrated liquid N-methylmorpholine-N-oxide (NMMO) to lower the solidification temperature of NMMO, introducing the low-temperature, concentrated liquid NMMO solution having cellulose dissolved and the cellulose powder into a kneader, mixing and swelling the cellulose in the kneader without a process of reducing pressure to produce a paste, and then supplying the paste into an extruder to dissolve the paste in a homogeneous solution.

摘要翻译： 本发明涉及一种在低温下均匀的纤维素溶液的制造方法以及通过该方法制造的纤维。 更具体地，本发明涉及通过将少量纤维素粉末溶解在浓缩的N-甲基吗啉-N-氧化物（NMMO）中以降低NMMO的固化温度，从而在低温下均匀的纤维素溶液的生产， 将具有纤维素溶解的低温浓缩液体NMMO溶液和纤维素粉末引入捏合机中，将捏合机中的纤维素混合和溶胀，而不用降低压力的方法生产糊料，然后将糊料供应到挤出机中以溶解 将糊状物置于均匀溶液中。

公开(公告)号：US20070251623A1

公开(公告)日：2007-11-01

申请号：US11542241

申请日：2006-10-04

申请人： Seok-Jong Han ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

发明人： Seok-Jong Han ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

IPC分类号： B60C9/00

CPC分类号： D01F2/00 ,  B60C9/0042 ,  D02G3/48

摘要： The present invention provides a lyocell raw cord prepared from at least 2-ply lyocell multifilaments, which gives a stress-strain curve exhibiting that (a) the lyocell raw cord has an elongation of 1.5% or less at an initial stress of 1.0 g/d, and an initial modulus value of 50 to 100 g/d; (b) has an elongation of 7% or less in a stress region of 1.0 g/d to 4.0 g/d; and (c) has an elongation of 1% or more at a tensile strength of 4.0 g/d to the breaking point, as measured in the dried state.The lyocell raw cord prepared according to the present invention can be used as industrial fibers, in particular, fibers for tire cords.

摘要翻译： 本发明提供由至少2层莱赛尔复丝制备的莱赛克原生绳，其给出应力 - 应变曲线，其显示（a）在初始应力为1.0g / L时，莱赛克原丝具有1.5％或更小的伸长率， d，初始模量值为50〜100g / d; （b）在1.0g / d〜4.0g / d的应力区域的伸长率为7％以下; 和（c）在干燥状态下测定的断裂点的拉伸强度为4.0g / d时的伸长率为1％以上。 根据本发明制备的lyocell生铁线可用作工业纤维，特别是用于轮胎帘线的纤维。

公开(公告)号：US20060057378A1

公开(公告)日：2006-03-16

申请号：US11266253

申请日：2005-11-04

申请人： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

发明人： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han ,  Myung-Woo Kim

IPC分类号： C08B1/00 ,  D02G3/00

CPC分类号： B60C9/0042 ,  C08B1/003 ,  D01F2/00 ,  D02G3/48 ,  Y10T428/2913

摘要： This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved in the liquid-state, concentrated N-methylmorpholine-N-oxide (hereinafter, referred to as ‘NMMO’) so as to lower the solidifying temperature of NMMO, and then, the resulting solution and cellulose powder are fed into an extruder so as to be mixed, swollen and melted in the extruder.

摘要翻译： 本发明涉及一种制备在较低温度下均匀的纤维素溶液的方法，其中少量的纤维素粉末或聚乙烯醇溶解在液态浓缩的N-甲基吗啉-N-氧化物（以下称为 “NMMO”），降低NMMO的凝固温度，然后将所得溶液和纤维素粉末进料到挤出机中，使其在挤出机中混合，溶胀和熔融。

公开(公告)号：US06902804B2

公开(公告)日：2005-06-07

申请号：US10874222

申请日：2004-06-24

申请人： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han

发明人： Ik-Hyeon Kwon ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Jae-Shik Choi ,  Tae-Jung Lee ,  Seok-Jong Han

IPC分类号： B60C9/00 ,  D01F2/00 ,  D02G3/02 ,  D02G3/36 ,  D02G3/48 ,  D01F6/00

CPC分类号： D01F2/00 ,  D02G3/48 ,  Y10T428/2913 ,  Y10T428/2965

摘要： The present invention relates to a high tenacity, high modulus and low shrinkage lyocell multifilament yarn suitable for use in tire cords and MRG (mechanical rubber goods). The lyocell multifilament yarn is a cellulose-based fiber for industrial applications, which is produced by dissolving pulp having a degree of polymerization (DPW) of 700-2,000 and preferably 800-1,400, and a α-cellulose content of more than 90% and preferably more than 92%, in N-methylmorpholine N-oxide (NMMO) hydrate, at a pulp concentration of 5-15% by weight and preferably 8-13% by weight.The lyocell monofilament according to the present invention is characterized by the following stress-strain profile: (1) the lyocell monofilament analyzed after drying is elongated by less than 3.0% and has an initial modulus of 150-400 g/d, when it was subjected to an initial stress of 3.0 g/d; (2) it is elongated by 3.0-7.0% when it was subjected to a stress greater than the initial stress but smaller than 6.0 g/d; and (3) it is elongated from a tensile tenacity of at least 6.0 g/d until the yarn is broken.

摘要翻译： 本发明涉及适用于轮胎帘线和MRG（机械橡胶制品）的高韧性，高模量和低收缩率的莱赛尔复丝纱线。 莱赛尔复丝纱是用于工业应用的纤维素基纤维，其通过将具有700-2,000，优选800-1,400的聚合度（DPNW）的纸浆溶解而制备， 纤维素含量在N-甲基吗啉N-氧化物（NMMO）水合物中大于90％，优选大于92％，纸浆浓度为5-15重量％，优选8-13重量％。 根据本发明的lyocell单丝的特征在于以下应力 - 应变曲线：（1）干燥后分析的裂解细胞单丝伸长小于3.0％，初始模量为150-400g / d，当为 经受3.0g / d的初始应力; （2）当其施加大于初始应力但小于6.0g / d的应力时，其伸长3.0-7.0％; 和（3）从至少6.0g / d的拉伸强度拉伸至纱线断裂为止。

公开(公告)号：US06852413B2

公开(公告)日：2005-02-08

申请号：US10735735

申请日：2003-12-16

申请人： Tae-jung Lee ,  Soo-myung Choi ,  Young-soo Wang ,  Seok-jong Han ,  Cheol Kim ,  Myung-woo Kim ,  Ik-hyon Kwon ,  Sung-ryong Kim ,  Jae-shik Choi

发明人： Tae-jung Lee ,  Soo-myung Choi ,  Young-soo Wang ,  Seok-jong Han ,  Cheol Kim ,  Myung-woo Kim ,  Ik-hyon Kwon ,  Sung-ryong Kim ,  Jae-shik Choi

IPC分类号： B29C47/00 ,  B60C9/00 ,  C08L1/02 ,  C08L29/04 ,  D01F1/02 ,  D01F2/00 ,  D02G3/46 ,  D02G3/48 ,  B60C9/08

CPC分类号： D02G3/48 ,  B29C47/0014 ,  B29C47/8895 ,  B60C9/0042 ,  C08L1/02 ,  C08L29/04 ,  D01F2/00 ,  Y10T428/2913 ,  Y10T428/2965 ,  C08L2666/04

摘要： Disclosed is a lyocell multi-filament for a tire cord and a method of producing the same. The method includes i) dissolving mixed powder of cellulose and polyvinyl alcohol in a mixed solvent of N-methyl morpholine N-oxide and water to prepare a dope, ii) extruding the dope using a spinning nozzle including orifices through air gaps into a conical upper coagulation bath to solidify the dope to produce a multi-filament, iii) feeding the multi-filament through a lower coagulation bath to a washing bath, and washing the multi-filament, and iv) drying and oiling the washed multi-filament and winding the resulting multi-filament. At this time, the orifices each have a diameter (D) of 100 to 300 μm, a length (L) of 200 to 2400 μm, and a ratio of the length to the diameter (L/D) of 2 to 8, and are spaced apart from each other at intervals of 2.0 to 5.0 mm. The method provides a lyocell multi-filament having excellent physical properties useful as a tire cord, thereby producing a tire for an automobile having improved driving stability, dimensional stability, and uniformity using the tire cord.

摘要翻译： 公开了一种用于轮胎帘线的莱赛尔复丝及其制造方法。 该方法包括：将纤维素和聚乙烯醇的混合粉末溶解在N-甲基吗啉N-氧化物和水的混合溶剂中以制备涂料，ii）使用包括通过气隙的孔口的纺丝喷嘴将该涂料挤出成圆锥形 凝固浴固化涂料以产生复丝，iii）将复丝通过下部凝固浴输送到洗涤槽中，并洗涤复丝，并且iv）干燥并将洗涤的复丝和卷绕油 得到的复丝。 此时，孔的直径（D）为100〜300μm，长度（L）为200〜2400μm，长径比（L / D）为2〜8， 间隔2.0〜5.0mm。 该方法提供了可用作轮胎帘线的优异物理性能的莱赛尔复丝，由此制造了具有改善的行驶稳定性，尺寸稳定性和使用轮胎帘线的均匀性的汽车用轮胎。

公开(公告)号：US07308923B2

公开(公告)日：2007-12-18

申请号：US11196759

申请日：2005-08-04

申请人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Yun-Hyuk Bang ,  Si-Hwan Joo

发明人： Ik-Hyun Kwon ,  Soo-Myung Choi ,  Yun-Hyuk Bang ,  Si-Hwan Joo

IPC分类号： D02G3/48 ,  B60C9/00 ,  B32B19/00

CPC分类号： D02G3/48 ,  B60C9/005 ,  Y10S57/902 ,  Y10T428/29 ,  Y10T428/2913 ,  Y10T428/2965

摘要： It is an object of the present invention to provide a hybrid dip cord consisting of rayon yarn and lyocell yarn to apply to the carcass ply or cap ply (belt reinforced layer) of pneumatic radial tire used in a car and a radial tire using the same. And also, according to the present invent the hybrid dip cord and the radial tire for application to the carcass ply or cap ply (belt reinforced layer) of pneumatic radial tire used in cars are produced by means of the following steps; imparting S direction twist of 20 to 200 TPM yarn number to one rayon yarn to produce a pre-yarn, imparting twist to said one rayon pre-yarn and one non-twisted lyocell respectively to produce a ply twist yarn, and imparting cable twist to two ply of ply twist yarn made from combination of said ply twist yarn or impart cable twist to a ply twist yarn to be produced by regulating low the twist number of one lyocell yarn and the rayon yarn to one lyocell as 20 to 200 TPM when the ply twist processes.

摘要翻译： 本发明的一个目的是提供一种由人造丝和lyocell纱线组成的混合浸渍帘线，以应用于使用其的汽车和子午线轮胎中使用的充气子午线轮胎的胎体帘布层或帘布层（带束层加强层） 。 另外，根据本发明，通过以下步骤制造用于汽车中使用的充气子午线轮胎的胎体帘布层或帘布层（带束层加强层）的混合浸渍帘线和子午线轮胎。 对一根人造丝进行20〜200TPM纱线的S方向扭转以产生预纱线，分别对所述一个人造丝预纱线和一个非扭曲的lyocell进行扭曲，以产生层叠捻纱，并且将电缆捻向 通过将所述帘布层加捻纱线的组合制成的双层纱线捻合线或者通过将一个莱赛尔纱线和人造丝线的人造丝线调节到一个莱赛尔的捻线数作为20〜200TPM而制成的帘布层捻线， 层捻过程。

公开(公告)号：US20070251624A1

公开(公告)日：2007-11-01

申请号：US11543217

申请日：2006-10-05

申请人： Seok-Jong Han ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

发明人： Seok-Jong Han ,  Soo-Myung Choi ,  Young-Soo Wang ,  Sung-Ryong Kim ,  Tae-Jung Lee

IPC分类号： B60C9/00

CPC分类号： D01F2/00 ,  D02G3/48

摘要： The present invention provides a lyocell dipped cord prepared by dipping a lyocell raw cord comprising at least 2-ply lyocell multifilament in a dipping solution and curing the dipped cord, which gives a stress-strain curve exhibiting that (a) the lyocell dipped cord has an elongation of 1.2% or less at an initial stress of 1.0 g/d, and an initial modulus value of 80 to 200 g/d; (b) has an elongation of 6% or less in a stress region of 1.0 g/d to 4.0 g/d; and (c) has an elongation of 1% or more at a tensile strength of 4.0 g/d to the breaking point, as measured in the dried state.The lyocell dipped cord prepared according to the present invention can be used as industrial fibers, in particular, fibers for tire cords.

摘要翻译： 本发明提供了一种通过将包含至少2层莱赛克复丝的溶胞酶原丝浸渍在浸渍溶液中并固化浸渍的帘线而制备的莱赛克浸渍帘线，其产生应力 - 应变曲线，其显示（a）莱赛尔浸渍帘线具有 初始应力为1.0g / d时的伸长率为1.2％以下，初期模量值为80〜200g / d; （b）在1.0g / d〜4.0g / d的应力区域的伸长率为6％以下。 和（c）在干燥状态下测定的断裂点的拉伸强度为4.0g / d时的伸长率为1％以上。 根据本发明制备的lyocell浸渍帘线可用作工业纤维，特别是轮胎帘线用纤维。